initial commit of SimaPro CSV IO api
Added method to get a unitgroup for unit.
Merge branch 'master' of ssh://imo@h2065364.stratoserver.net/var/git/repos/openlca/olca-modules.git
Changed the SimaPro model: Split the reference products to one reference
product and a list of by-products.
Creates a method to create a category tree from an string array.
Added a new type "Waste scenario".
merge branches
workspace preferences
merge branches
changed default subCompartment type
removed waste scenario exception
fixed unit import
fixed waste specification import
added checking for subCompartent
added ecoinvent ISIC extensions
bugfix: unit import
now use the name from the reference product as process name if the
process name does not exist.
remove mapping table
Merge branch 'master' into simapro-csv

Conflicts:
	olca-core/src/main/java/org/openlca/core/math/Calculators.java
	olca-core/src/main/java/org/openlca/core/matrix/ProductIndex.java
	olca-core/src/main/java/org/openlca/core/matrix/ProductIndexBuilder.java
	olca-core/src/main/resources/org/openlca/core/database/internal/current_schema_derby.sql
	olca-core/src/main/resources/org/openlca/core/database/internal/current_schema_mysql.sql
	olca-core/src/test/java/org/openlca/core/matrix/AllocationIndexTest.java
	olca-core/src/test/java/org/openlca/core/results/LinkContributionsTest.java
	olca-io/src/main/java/org/openlca/io/ecospold2/input/DocImportMapper.java
	olca-io/src/main/java/org/openlca/io/ecospold2/input/IsicCategoryTreeSync.java
	olca-io/src/main/java/org/openlca/io/ecospold2/input/IsicTree.java
	olca-io/src/main/resources/org/openlca/io/ecospold2/input/isic_codes_rev4.txt
	olca-io/src/test/java/org/openlca/io/ecospold2/input/IsicTreeTest.java
	olca-shell/.classpath
new structure for import / export mappings